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Renesas Electronics Components Datasheet

ISL22316 Datasheet

Single Digitally Controlled Potentiometer

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DATASHEET
ISL22316
Single Digitally Controlled Potentiometer (XDCP™) Low Noise, Low Power I2C™
Bus, 128 Taps
FN6186
Rev 3.00
August 14, 2015
The ISL22316 integrates a single digitally controlled
potentiometer (DCP) and non-volatile memory on a
monolithic CMOS integrated circuit.
The digitally controlled potentiometer is implemented with a
combination of resistor elements and CMOS switches. The
position of the wipers are controlled by the user through the
I2C bus interface. The potentiometer has an associated
volatile Wiper Register (WR) and a non-volatile Initial Value
Register (IVR) that can be directly written to and read by the
user. The contents of the WR controls the position of the
wiper. At power-up, the device recalls the contents of the
DCP’s IVR to the WR.
The DCP can be used as a three-terminal potentiometer or
as a two-terminal variable resistor in a wide variety of
applications including control, parameter adjustments, and
signal processing.
Pinouts
SCL
SDA
A1
A0
SHDN
ISL22316
(10 LD MSOP)
TOP VIEW
1 10
29
38
47
56
VCC
RH
RW
RL
GND
Features
• 128 resistor taps
• I2C serial interface
- Two address pins, up to four devices/bus
• Non-volatile storage of wiper position
• Wiper resistance: 70typical @ VCC = 3.3V
• Shutdown mode
• Shutdown current 5µA max
• Power supply: 2.7V to 5.5V
• 50kor 10ktotal resistance
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @ T +55°C
• 10 Ld MSOP or 10 Ld TDFN package
• Pb-free (RoHS compliant)
ISL22316
(10 LD TDFN)
TOP VIEW
SCL 1 O
SDA 2
A1 3
A0 4
SHDN 5
10 VCC
9 RH
8 RW
7 RL
6 GND
Ordering Information
PART NUMBER
(Note)
PART
MARKING
RESISTANCE OPTION
(k)
TEMP. RANGE
(°C)
PACKAGE
(Pb-free)
PKG. DWG. #
ISL22316UFU10Z*
(No longer available,
recommended
replacement:
(ISL22316WFRT10Z-TK)
316UZ
50
-40 to +125
10 Ld MSOP
M10.118
ISL22316WFU10Z*
316WZ
10
-40 to +125
10 Ld MSOP
M10.118
ISL22316UFRT10Z*
(No longer available,
recommended
replacement:
(ISL22316WFRT10Z-TK)
316U
50
-40 to +125
10 Ld 3x3 TDFN
L10.3x3B
ISL22316WFRT10Z*
316W
10
-40 to +125
10 Ld 3x3 TDFN
L10.3x3B
*Add “-TK” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100%
matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations).
Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J
STD-020.
FN6186 Rev 3.00
August 14, 2015
Page 1 of 16


Renesas Electronics Components Datasheet

ISL22316 Datasheet

Single Digitally Controlled Potentiometer

No Preview Available !

ISL22316
Block Diagram
SCL
SDA
A0
A1
I2C
INTERFACE
VCC
POWER-UP
INTERFACE,
CONTROL
AND
STATUS
LOGIC
SHDN
NON-VOLATILE
REGISTERS
WR
RH
RW
RL
Pin Descriptions
MSOP PIN
NUMBER
TDFN PIN
NUMBER
11
22
33
44
55
66
77
88
99
10 10
GND
PIN NAME
SCL
SDA
A1
A0
SHDN
GND
RL
RW
RH
VCC
DESCRIPTION
Open drain I2C interface clock input
Open drain Serial data I/O for the I2C interface
Device address input for the I2C interface
Device address input for the I2C interface
Shutdown active low input
Device ground pin
“Low” terminal of DCP
“Wiper” terminal of DCP
“High” terminal of DCP
Power supply pin
FN6186 Rev 3.00
August 14, 2015
Page 2 of 16


Part Number ISL22316
Description Single Digitally Controlled Potentiometer
Maker Renesas
Total Page 16 Pages
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